pstore/zone: Add a null pointer check to the psz_kmsg_read

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2024-35940
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-05-19 11:15:49 UTC
Updated2026-05-12 12:16:42 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: pstore/zone: Add a null pointer check to the psz_kmsg_read kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from ADP

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-476 | CWE-476 CWE-476 NULL Pointer Dereference

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected d26c3321fe18dc74517dc1f518d584aa33b0a851 98e2b97acb875d65bdfc75fc408e67975cef3041 git Not specified
CNA Linux Linux affected d26c3321fe18dc74517dc1f518d584aa33b0a851 0ff96ec22a84d80a18d7ae8ca7eb111c34ee33bb git Not specified
CNA Linux Linux affected d26c3321fe18dc74517dc1f518d584aa33b0a851 635594cca59f9d7a8e96187600c34facb8bc0682 git Not specified
CNA Linux Linux affected d26c3321fe18dc74517dc1f518d584aa33b0a851 ec7256887d072f98c42cdbef4dcc80ddf84c7a70 git Not specified
CNA Linux Linux affected d26c3321fe18dc74517dc1f518d584aa33b0a851 6f9f2e498eae7897ba5d3e33908917f68ff4abcc git Not specified
CNA Linux Linux affected d26c3321fe18dc74517dc1f518d584aa33b0a851 98bc7e26e14fbb26a6abf97603d59532475e97f8 git Not specified
CNA Linux Linux affected 5.8 Not specified
CNA Linux Linux unaffected 5.8 semver Not specified
CNA Linux Linux unaffected 5.10.215 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.155 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.86 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.27 6.6.* semver Not specified
CNA Linux Linux unaffected 6.8.6 6.8.* semver Not specified
CNA Linux Linux unaffected 6.9 * original_commit_for_fix Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected * custom Not specified

References

ReferenceSourceLinkTags
lists.debian.org/debian-lts-announce/2024/06/msg00017.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
git.kernel.org/stable/c/98bc7e26e14fbb26a6abf97603d59532475e97f8 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/635594cca59f9d7a8e96187600c34facb8bc0682 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-265688.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/6f9f2e498eae7897ba5d3e33908917f68ff4abcc af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/0ff96ec22a84d80a18d7ae8ca7eb111c34ee33bb af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/98e2b97acb875d65bdfc75fc408e67975cef3041 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/ec7256887d072f98c42cdbef4dcc80ddf84c7a70 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
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